Display screen or portion thereof with icon button



The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawings will be provided by the Office upon request and payment of the necessary fee.

FIG. 1 is a front view of a display screen or portion thereof with icon button according to a first embodiment;

FIG. 2 is a front view of a second embodiment thereof;

FIG. 3 is a front view of a third embodiment thereof; and,

FIG. 4 is a front view of a fourth embodiment thereof.

The dash-dot-dot broken line showing of a display screen or portion thereof do not form part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with icon button, as shown and described. 